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Documentation

Index

• type Balancer
  • func (b *Balancer) Pick(info balancer.PickInfo) (balancer.PickResult, error)
• type BalancerBuilder
  • func (b *BalancerBuilder) Build(info base.PickerBuildInfo) balancer.Picker
• type WeightBalancer
  • func (b *WeightBalancer) Pick(info balancer.PickInfo) (balancer.PickResult, error)
• type WeightBalancerBuilder
  • func (b *WeightBalancerBuilder) Build(info base.PickerBuildInfo) balancer.Picker

Types

type Balancer

type Balancer struct {
	// contains filtered or unexported fields
}

Balancer is a custom load balancer that applies filtering to available connections.

func (*Balancer) Pick

func (b *Balancer) Pick(info balancer.PickInfo) (balancer.PickResult, error)

Pick selects an appropriate sub-connection using the filter logic and randomizer.

type BalancerBuilder

type BalancerBuilder struct {
	Filter loadbalance.Filter // Filter logic to be used by the Balancer instances created by this builder.
}

BalancerBuilder is a factory that creates instances of the Balancer.

func (*BalancerBuilder) Build

func (b *BalancerBuilder) Build(info base.PickerBuildInfo) balancer.Picker

Build constructs a new Balancer from the information provided.

type WeightBalancer

type WeightBalancer struct {
	// contains filtered or unexported fields
}

WeightBalancer is a load balancer that considers the weight of each connection.

func (*WeightBalancer) Pick

func (b *WeightBalancer) Pick(info balancer.PickInfo) (balancer.PickResult, error)

Pick selects a sub-connection based on its weight.

type WeightBalancerBuilder

type WeightBalancerBuilder struct {
	Filter loadbalance.Filter
}

WeightBalancerBuilder builds a WeightBalancer.

func (*WeightBalancerBuilder) Build

func (b *WeightBalancerBuilder) Build(info base.PickerBuildInfo) balancer.Picker

Build constructs a new WeightBalancer from PickerBuildInfo.